After starting the engine, the instrument cluster display (A40/16) may show "4MATIC inoperative"...
Mercedes-Benz technical service bulletin LI54.30-P-070030 for 2020 Mercedes-Benz CLA250, 2020 Mercedes-Benz GLB 250 and 2020 Mercedes-Benz A 220 and others.
- Bulletin number
- LI54.30-P-070030
- Component
- Electrical system: software
- Summary
- After starting the engine, the instrument cluster display (A40/16) may show "4MATIC inoperative" erroneously.Notes: Vehicles not equipped with 4MATIC are predominantly affected. However, in some circumstances a 4MATIC vehicle can also display this message. Previous software release of the instrument cluster control unit (N133/1) Ensure that no complaints exist regarding the 4MATIC system. If no other complaints exist, perform a software update of the instrument cluster control unit (N133/1).
Owners of these vehicles have filed 25 complaints in the electrical category.
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